31581312

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 99225600

約数和(自身を除く): 67644288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 336, 372, 379, 384, 434, 448, 496, 651, 672, 744, 758, 868, 896, 992, 1137, 1302, 1344, 1488, 1516, 1736, 1984, 2274, 2604, 2653, 2688, 2976, 3032, 3472, 3968, 4548, 5208, 5306, 5952, 6064, 6944, 7959, 9096, 10416, 10612, 11749, 11904, 12128, 13888, 15918, 18192, 20832, 21224, 23498, 24256, 27776, 31836, 35247, 36384, 41664, 42448, 46996, 48512, 63672, 70494, 72768, 82243, 83328, 84896, 93992, 127344, 140988, 145536, 164486, 169792, 187984, 246729, 254688, 281976, 328972, 339584, 375968, 493458, 509376, 563952, 657944, 751936, 986916, 1018752, 1127904, 1315888, 1503872, 1973832, 2255808, 2631776, 3947664, 4511616, 5263552, 7895328, 10527104, 15790656, 31581312]

約数ペア:

[(1, 31581312), (2, 15790656), (3, 10527104), (4, 7895328), (6, 5263552), (7, 4511616), (8, 3947664), (12, 2631776), (14, 2255808), (16, 1973832), (21, 1503872), (24, 1315888), (28, 1127904), (31, 1018752), (32, 986916), (42, 751936), (48, 657944), (56, 563952), (62, 509376), (64, 493458), (84, 375968), (93, 339584), (96, 328972), (112, 281976), (124, 254688), (128, 246729), (168, 187984), (186, 169792), (192, 164486), (217, 145536), (224, 140988), (248, 127344), (336, 93992), (372, 84896), (379, 83328), (384, 82243), (434, 72768), (448, 70494), (496, 63672), (651, 48512), (672, 46996), (744, 42448), (758, 41664), (868, 36384), (896, 35247), (992, 31836), (1137, 27776), (1302, 24256), (1344, 23498), (1488, 21224), (1516, 20832), (1736, 18192), (1984, 15918), (2274, 13888), (2604, 12128), (2653, 11904), (2688, 11749), (2976, 10612), (3032, 10416), (3472, 9096), (3968, 7959), (4548, 6944), (5208, 6064), (5306, 5952)]